Performance analysis of super absorbent resin for “Itend ”diapers
Nov 08,2022
Performance analysis of super absorbent resin for “Itend ”diapers
1、 Structure of diapers
Surface layer: made of non-woven fabric, directly contacting with skin, receiving liquid and transferring it to the next layer
Conductive layer: made of non-woven fabric, which transfers the liquid received by the surface layer evenly to the water absorbing layer
Water absorbing layer: It is composed of high polymer water absorbing resin (SAP for short) and fluff fiber. It is the most important functional layer in diapers and is used to absorb water and store urine
Bottom layer: made of PE film or PE film+non-woven fabric, which is mainly used to prevent leakage
2、 Water absorbing materials High molecular absorption resin
High polymer absorbent resin (SAP for short)-
1. Shape: shaped like small beads, with a diameter of about 0.2mm.
2. Function: super water absorption capacity, super water retention capacity.
3. Features: The absorption capacity is the best. When the PH value is 6-8, the absorption speed is the highest.
3、 Absorption principle layer by layer infiltration
♔ Absorb urine
Uncover the surface layer of diapers. Inside, there are small beads like particles mixed with fluff fibers. Although cotton naturally absorbs water, its speed of absorbing water and its ability to lock water are far less than those of the new polymer absorbent resin.
♔ Diversion diffusion
Guide the urine to conduct longitudinally along the diapers and diffuse so that the urine can be absorbed evenly by the core body, so that the urine will not become thicker locally and hinder the subsequent core body absorption.
♔ Absorption and storage
SAP is a super absorbent polymer compound, with many atoms close to water attached to its molecule. Water molecules are quite easily attracted to its molecules. It is squeezed between molecules, so that SAP particles are expanded and integrated.
♔ Leakage prevention of bottom layer
When choosing diapers, we should pay attention to whether the surface layer is skin friendly, whether the water absorption and shrinkage ability is strong, whether the diapers are breathable, and whether diapers are comfortable to wear.
Everyone knows that diapers play a vital role in health. This requires you to carefully select a product made with "heart" when choosing diapers. You need to be familiar with the characteristics of the product: first, water absorption and water locking! The second is comfort, which can be effectively estimated by touching the diapers with your skin and hands.
In view of the problem of water absorption and water locking, there is a diaper manufacturer who has been thinking about it. They are [Weifang Itend hygienic Technology Co., Ltd. - "Itend"]. With the original intention of caring for users, they studied a series of "pain points" and produced a comprehensive special care product.
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